Équations équilibrées la veille |
22 Mn2O7 + 3 C7H16 = 21 CO2 + 24 H2O + 44 MnO2
Ni(NO3)2 + Na2C2O4 = NiC2O4 + NaNO3 =>
Ni(NO3)2 + Na2C2O4 = NiC2O4 + 2 NaNO3
CaO + SO3 = Ca2SO3 + O2 =>
2 CaO + SO3 = Ca2SO3 + O2
Mg + Fe(NO3)3 = Mg(NO3)2 + Fe =>
3 Mg + 2 Fe(NO3)3 = 3 Mg(NO3)2 + 2 Fe
NaOH + Zn(OH)2 = Na2ZnO2 + H2O =>
2 NaOH + Zn(OH)2 = Na2ZnO2 + 2 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C6H5CHCH2 + KMnO4 + H2SO4 = C6H5COOH + MnSO4 + K2SO4 + H2O =>
7 C6H5CHCH2 + 8 KMnO4 + 12 H2SO4 = 8 C6H5COOH + 8 MnSO4 + 4 K2SO4 + 16 H2O
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
BCl3 + H2O = H3BO3 + HCl =>
BCl3 + 3 H2O = H3BO3 + 3 HCl
Br2 + AgNO3 + H2O = HBrO + AgBr + HNO3 =>
Br2 + AgNO3 + H2O = HBrO + AgBr + HNO3
CH3COOH + H2O = CH3OO + H3O =>
CH3COOH + 4 H2O = 2 CH3OO + 2 H3O
C6H4(CO)2O + C3H8O3 = C10H8O4 + H2O =>
10 C6H4(CO)2O + 10 C3H8O3 = 11 C10H8O4 + 16 H2O
Br2 + H2O + AgNO3 = HNO3 + AgBr + AgBrO3 =>
3 Br2 + 3 H2O + 6 AgNO3 = 6 HNO3 + 5 AgBr + AgBrO3
Mg + P = Mg2P3 =>
2 Mg + 3 P = Mg2P3
Dy + Co2 = DyCo2 =>
Dy + Co2 = DyCo2
H3PO4 + PH3 = PH4H2PO4 =>
H3PO4 + PH3 = PH4H2PO4
FeO = Fe3O4Fe =>
4 FeO = Fe3O4Fe
FeCO3 = FeO + CO2 =>
FeCO3 = FeO + CO2
SiO2 + F2 = SiF4 + O2 =>
SiO2 + 2 F2 = SiF4 + O2
V2O5 + H2O = V2OH + O2 =>
4 V2O5 + 2 H2O = 4 V2OH + 9 O2
NaOH + CH2(Cl)CH(Cl)CH3 = NaCl + CH2(OH)CH(OH)CH3 =>
2 NaOH + CH2(Cl)CH(Cl)CH3 = 2 NaCl + CH2(OH)CH(OH)CH3
Cs2O + H2O = CsOH =>
Cs2O + H2O = 2 CsOH
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Co(OH)2 + NH3 = Co(NH3) + OH =>
Co(OH)2 + NH3 = Co(NH3) + 2 OH
H2CO + Ag(NH3)2{+} + OH{-} = HCO3{-} + Ag + NH3 + H2O =>
H2CO + 4 Ag(NH3)2{+} + 5 OH{-} = HCO3{-} + 4 Ag + 8 NH3 + 3 H2O
KI(ac) + Cl2(ac) = KCl + I2(ac) =>
2 KI(ac) + Cl2(ac) = 2 KCl + I2(ac)
K2Cr2O7 + H2SO4 + FeC2O4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + CO2 + H2O =>
K2Cr2O7 + 7 H2SO4 + 2 FeC2O4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + 4 CO2 + 7 H2O
SnS3{2-} + H2SO4 = SnS2 + SO4{2-} + H2S =>
SnS3{2-} + H2SO4 = SnS2 + SO4{2-} + H2S
Al(OH)3 + CH3COOH = (CH3COO)2AlOH + H2O =>
Al(OH)3 + 2 CH3COOH = (CH3COO)2AlOH + 2 H2O
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
Na(s) + HNO3(aq) = NaNO3(aq) + NO(g) + H2O(l) =>
3 Na(s) + 4 HNO3(aq) = 3 NaNO3(aq) + NO(g) + 2 H2O(l)
Rb + Fe2O3 = Rb2O + Fe =>
6 Rb + Fe2O3 = 3 Rb2O + 2 Fe
FeSO4 + H2 = Fe(OH)2 + SO2 =>
FeSO4 + H2 = Fe(OH)2 + SO2
Fe(NH4)2(SO4)2 + KMnO4 + H2SO4 = MnSO4 + Fe(SO4)3 + K2SO4 + (NH4)2SO4 + H2O =>
5 Fe(NH4)2(SO4)2 + 4 KMnO4 + 16 H2SO4 = 4 MnSO4 + 5 Fe(SO4)3 + 2 K2SO4 + 5(NH4)2SO4 + 16 H2O
CaH2(s) + H2O(i) = Ca(OH)2(s) + H2(g) =>
CaH2(s) + 2 H2O(i) = Ca(OH)2(s) + 2 H2(g)
Al(OH)4{-} + H2SO4 = Al{+3} + SO4{-2} + H2O =>
Al(OH)4{-} + 2 H2SO4 = Al{+3} + 2 SO4{-2} + 4 H2O
Al + CuCl = AlCl3 + Cu =>
Al + 3 CuCl = AlCl3 + 3 Cu
H3PO4 + SO4 = H2PO4 + H2SO4 =>
2 H3PO4 + SO4 = 2 H2PO4 + H2SO4
Cu + Ag3NO2 = Ag + Cu3NO2 =>
3 Cu + Ag3NO2 = 3 Ag + Cu3NO2
NH4SCN(aq) + FeCl3(aq) = NH3 + HCl + Fe(SCN)3 =>
3 NH4SCN(aq) + FeCl3(aq) = 3 NH3 + 3 HCl + Fe(SCN)3
Ag + Na(OH) = Ag(OH) + Na =>
Ag + Na(OH) = Ag(OH) + Na
Fe + AgNO3(aq) = Fe(NO3)2(aq) + Ag(s) =>
Fe + 2 AgNO3(aq) = Fe(NO3)2(aq) + 2 Ag(s)
Mg3(PO4)2 + KBr = MgBr2 + K3PO4 =>
Mg3(PO4)2 + 6 KBr = 3 MgBr2 + 2 K3PO4
C2H12O1 + O2 = CO2 + H2O =>
2 C2H12O1 + 9 O2 = 4 CO2 + 12 H2O
NH3 + HC1 = NH4 + C1 =>
NH3 + HC1 = NH4 + C1
Zn(NO3)2 + NaOH = Zn(OH)2 + Na(NO3) =>
Zn(NO3)2 + 2 NaOH = Zn(OH)2 + 2 Na(NO3)
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
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